NGC7635 (the Bubble Nebula) and the open cluster M52 in Cassiopeia.
The open cluster Czernik 43 is also visible, just below M52 on the left edge.
This image is a stack of 3 eight minute exposures shot through a red, green and blue filters,
with the red filtered image enhanced using a Sigmoid Scaling and used as the luminance channel.
The exposures were acquired using an SXV-H9 CCD camera on a Tele Vue NP101is 4" f/5.4 refractor,
equipped with its matching 0.8x focal reducer.
The exposures were calibrated, defect-corrected, stacked and color combined using AIP4WIN.
Note how many more stars are visible in this image than in the one at the top of this page,
even though they were created using the same color data.
This image has been resampled down from its original size of 1392x1040.